Use the parent element in createContextualFragment (fixes #17)

Author: nox

index.html

@@ -565,7 +565,7 @@ <h2>Extensibility</h2>
 
       <dt><code><a>Text</a></code>
       <dt><code><a>Comment</a></code>
-      <dd><var>node</var>'s <a>parent</a>
+      <dd><var>node</var>'s <a>parent element</a>
 
       <dt><code><a>DocumentType</a></code>
       <dt><code><a>ProcessingInstruction</a></code>